rywala

In a sentence

• Anna starała się pokonać swoją rywalkę w biegu.

  Anna tried to defeat her rival in the race.

  In this context, 'rywalka' is used to denote a female rival in a competitive setting, specifically in a race.

• W szkole Kasia zawsze była postrzegana jako rywalka przez inną uczennicę.

  At school, Kasia was always perceived as a rival by another student.

  Here, 'rywalka' is the female person perceived as a competitor by another, indicating a sense of rivalry in an academic environment.

• Marta zauważyła, że jej rywalka zdobyła lepszy wynik na teście.

  Marta noticed that her rival achieved a better score on the test.

  In this sentence, 'rywalka' refers to a female individual who is seen as competing for academic achievements.